the area adding to the runoff. The importance 

 of river runoff as an input of nutrients into 

 the sea is well known. However, no data are 

 available on the nutrient load of the Siberian 

 rivers. 



Another possible source for the high nutrient 

 concentrations in the western Bering Sea is the 

 recycling of the nutrients back into the water 



column by turbulent action of bottom currents 

 across shoal areas. The northern Bering Sea 

 and Bering Strait are very shallow (less than 

 60 meters) with bottom currents of 16 to 76 

 cm/sec measured in the western portion (Coach- 

 man and Aagaard, 1966). Our data show no 

 information to resolve the role of this mecha- 

 nism 



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Coachman, L. K. and C. A. Barnes (1961) The contri- 

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